<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单</title>
</head>
<body>
    <form action="#" method="get" enctype="multipart/form-data">
        <div>
            <input type="file" name="avatar">
        </div>
        <div>
            用户名：<input type="text">
        </div>
        <div>
            密码：<input type="password">
        </div>
        <div>
            id: <input type="hidden" value="1">
        </div>
    </form>
</body>
</html>